一个很好的At91sam7S64通过SPI读写Flash,AT91SAM7S64 a good read and write Flash through SPI

用汇编写的一个SPIFLASH测试程序。可供参考来学习汇编的编程-Written in assembler a SPIFLASH test procedure. Available for reference to learn assembly programming

完整的spiflash驱动代码，架构扩展性良好，兼容性广，支持四线串行闪存QPI模式。-Complete spiflash driver code, schema extension is good, wide compatibility, support for four-wire serial flash QPI mode.